Photonitrosation
光亚硝化(作用)
🗣️ 情景例句
Make yourself at home.
勿客气。
Did you go to the beauty salon?
你今早去理发厅了吗？
Why don't you buy a radio? Then you can listen to China Radio International or BBC English programmes on the radio.
你为什么不买台收音机呢？那样你就能听中国国际广播电台或者BBC英语广播节目了。